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Commit 40883f36 authored by Lucian Grijincu's avatar Lucian Grijincu Committed by Facebook Github Bot
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Revert D19444082: Get the correct file name for inline functions. 

Differential Revision:
D19444082

Original commit changeset: 5a5524046090

fbshipit-source-id: ecb9b9048af9c00c951cb6e540433b5a3cecaf71
parent 3c7f1b3a
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Showing with 65 additions and 222 deletions
folly/experimental/symbolizer/Dwarf.cpp
View file @ 40883f36
......@@ -78,8 +78,7 @@ struct Attribute {
struct CodeLocation {
Die die;
folly::Optional<uint64_t> file;
folly::Optional<uint64_t> line;
uint64_t line;
};
} // namespace detail
......@@ -538,13 +537,10 @@ bool Dwarf::findLocation(
inlineLocIter != inlineLocsRange.end();
inlineLocIter++, inlineFrameIter++) {
inlineFrameIter->location.line = callerLine;
if (!inlineLocIter->line) {
break;
}
callerLine = inlineLocIter->line.value();
callerLine = inlineLocIter->line;
folly::Optional<folly::StringPiece> linkageName;
folly::Optional<folly::StringPiece> name;
folly::Optional<uint64_t> file;
forEachAttribute(
cu, inlineLocIter->die, [&](const detail::Attribute& attr) {
switch (attr.spec.name) {
......@@ -555,18 +551,12 @@ bool Dwarf::findLocation(
name = boost::get<folly::StringPiece>(attr.attrValue);
break;
case DW_AT_decl_file:
// If the inline function is declared and defined in the same
// file, the declaration subprogram may not have attribute
// DW_AT_decl_file, then we need to find decl_file in the
// definition subprogram.
if (!inlineLocIter->file) {
inlineLocIter->file = boost::get<uint64_t>(attr.attrValue);
}
file = boost::get<uint64_t>(attr.attrValue);
break;
}
return !inlineLocIter->file || !name || !linkageName;
return !file || !name || !linkageName;
});
if (!(name || linkageName) || !inlineLocIter->file) {
if (!(name || linkageName) || !file) {
break;
}
......@@ -577,8 +567,7 @@ bool Dwarf::findLocation(
inlineFrameIter->location.hasFileAndLine = true;
inlineFrameIter->location.name =
linkageName ? linkageName.value() : name.value();
inlineFrameIter->location.file =
lineVM.getFullFileName(inlineLocIter->file.value());
inlineFrameIter->location.file = lineVM.getFullFileName(file.value());
}
locationInfo.line = callerLine;
}
......@@ -661,9 +650,17 @@ detail::Die Dwarf::findDefinitionDie(
const detail::CompilationUnit& cu,
const detail::Die& die) const {
// Find the real definition instead of declaration.
// DW_AT_specification: Incomplete, non-defining, or separate declaration
// corresponding to a declaration
auto offset = getAttribute<uint64_t>(cu, die, DW_AT_specification);
folly::Optional<uint64_t> offset;
forEachAttribute(cu, die, [&](const detail::Attribute& attr) {
// Incomplete, non-defining, or separate declaration corresponding to
// a declaration
if (attr.spec.name == DW_AT_specification) {
offset = boost::get<uint64_t>(attr.attrValue);
return false;
}
return true;
});
if (!offset) {
return die;
}
......@@ -718,22 +715,6 @@ size_t Dwarf::forEachAttribute(
return values.data() - debugInfo_.data();
}
template <class T>
folly::Optional<T> Dwarf::getAttribute(
const detail::CompilationUnit& cu,
const detail::Die& die,
uint64_t attrName) const {
folly::Optional<T> result;
forEachAttribute(cu, die, [&](const detail::Attribute& attr) {
if (attr.spec.name == attrName) {
result = boost::get<T>(attr.attrValue);
return false;
}
return true;
});
return result;
}
void Dwarf::findSubProgramDieForAddress(
const detail::CompilationUnit& cu,
const detail::Die& die,
......@@ -793,7 +774,7 @@ void Dwarf::findInlinedSubroutineDieForAddress(
bool isHighPcAddr = false;
uint64_t origin = 0;
uint64_t originRefType = 0;
folly::Optional<uint64_t> callLine = 0;
uint64_t callLine = 0;
forEachAttribute(cu, childDie, [&](const detail::Attribute& attr) {
switch (attr.spec.name) {
// Here DW_AT_ranges is not supported since it requires looking up
......@@ -822,30 +803,22 @@ void Dwarf::findInlinedSubroutineDieForAddress(
// Address doesn't match. Keep searching other children.
return true;
}
isrLoc[0].line = callLine;
auto setLocationInfo = [&](uint64_t dieOffset) {
auto declDie = getDieAtOffset(cu, dieOffset);
// If the inline function is declared and defined in different file, then
// DW_AT_decl_file attribute of the declaration may contain the definition
// file name.
isrLoc[0].file = getAttribute<uint64_t>(cu, declDie, DW_AT_decl_file);
// Jump to the actual function definition instead of declaration for name
// and line info.
isrLoc[0].die = findDefinitionDie(cu, declDie);
isrLoc.advance(1);
};
if (originRefType == DW_FORM_ref1 || originRefType == DW_FORM_ref2 ||
originRefType == DW_FORM_ref4 || originRefType == DW_FORM_ref8 ||
originRefType == DW_FORM_ref_udata) {
setLocationInfo(cu.offset + origin);
// Jump to the actual function definition instead of declaration for name
// and line info.
isrLoc[0].die =
findDefinitionDie(cu, getDieAtOffset(cu, cu.offset + origin));
isrLoc.advance(1);
findInlinedSubroutineDieForAddress(cu, childDie, address, isrLoc);
} else if (originRefType == DW_FORM_ref_addr) {
setLocationInfo(origin);
auto srcu = findCompilationUnit(debugInfo_, origin);
isrLoc[0].die = findDefinitionDie(cu, getDieAtOffset(cu, origin));
isrLoc.advance(1);
findInlinedSubroutineDieForAddress(srcu, childDie, address, isrLoc);
}
return false;
});
}
......
folly/experimental/symbolizer/Dwarf.h
View file @ 40883f36
......@@ -183,12 +183,6 @@ class Dwarf {
const detail::Die& die,
folly::FunctionRef<bool(const detail::Attribute& die)> f) const;
template <class T>
folly::Optional<T> getAttribute(
const detail::CompilationUnit& cu,
const detail::Die& die,
uint64_t attrName) const;
const ElfFile* elf_;
const folly::StringPiece debugInfo_; // .debug_info
const folly::StringPiece debugAbbrev_; // .debug_abbrev
......
folly/experimental/symbolizer/test/SymbolizerTest.cpp
View file @ 40883f36
......@@ -23,7 +23,6 @@
#include <folly/Range.h>
#include <folly/String.h>
#include <folly/experimental/symbolizer/SymbolizedFrame.h>
#include <folly/experimental/symbolizer/test/SymbolizerTestUtils.h>
#include <folly/portability/GTest.h>
namespace folly {
......@@ -50,6 +49,17 @@ TEST(Symbolizer, Single) {
EXPECT_EQ("SymbolizerTest.cpp", basename.str());
}
void* framesToFill{nullptr};
template <size_t kNumFrames = 100>
int comparator(const void* ap, const void* bp) {
getStackTrace(*static_cast<FrameArray<kNumFrames>*>(framesToFill));
int a = *static_cast<const int*>(ap);
int b = *static_cast<const int*>(bp);
return a < b ? -1 : a > b ? 1 : 0;
}
// Test stack frames...
FOLLY_NOINLINE void bar();
......@@ -123,6 +133,21 @@ TEST(SymbolizerTest, SymbolCache) {
namespace {
size_t kQsortCallLineNo = 0;
size_t kFooCallByStandaloneBarLineNo = 0;
size_t kFooCallByClassBarLineNo = 0;
size_t kFooCallByClassStaticBarLineNo = 0;
template <size_t kNumFrames = 100>
FOLLY_ALWAYS_INLINE void inlineFoo(FrameArray<kNumFrames>& frames) {
framesToFill = &frames;
std::array<int, 2> a = {1, 2};
// Use qsort, which is in a different library
kQsortCallLineNo = __LINE__ + 1;
qsort(a.data(), 2, sizeof(int), comparator<kNumFrames>);
framesToFill = nullptr;
}
template <size_t kNumFrames = 100>
FOLLY_ALWAYS_INLINE void inlineBar(FrameArray<kNumFrames>& frames) {
kFooCallByStandaloneBarLineNo = __LINE__ + 1;
......@@ -132,19 +157,20 @@ FOLLY_ALWAYS_INLINE void inlineBar(FrameArray<kNumFrames>& frames) {
void verifyStackTrace(
const FrameArray<100>& frames,
const std::string& barName,
size_t barLine,
const std::string& barFile) {
size_t barLine) {
EXPECT_TRUE(frames.frameCount == 14 || frames.frameCount == 15);
EXPECT_EQ(
"void folly::symbolizer::test::inlineFoo<100ul>("
"void folly::symbolizer::test::(anonymous namespace)::inlineFoo<100ul>("
"folly::symbolizer::FrameArray<100ul>&)",
std::string(folly::demangle(frames.frames[5].name)));
EXPECT_EQ(
"folly/experimental/symbolizer/test/SymbolizerTestUtils-inl.h",
"folly/experimental/symbolizer/test/SymbolizerTest.cpp",
std::string(frames.frames[5].location.file.toString()));
EXPECT_EQ(kQsortCallLineNo, frames.frames[5].location.line);
EXPECT_EQ(barName, std::string(folly::demangle(frames.frames[6].name)));
EXPECT_EQ(barFile, std::string(frames.frames[6].location.file.toString()));
EXPECT_EQ(
"folly/experimental/symbolizer/test/SymbolizerTest.cpp",
std::string(frames.frames[6].location.file.toString()));
EXPECT_EQ(barLine, frames.frames[6].location.line);
}
......@@ -190,12 +216,11 @@ TEST(SymbolizerTest, InlineFunctionBasic) {
// clang-format off
// Expected full stack trace with @mode/dev. The last frame is missing in opt
// mode.
// Frame: _ZN5folly10symbolizer13getStackTraceEPmm
// Frame: _ZN5folly10symbolizer13getStackTraceILm100EEEbRNS0_10FrameArrayIXT_EEE
// Frame: _ZN5folly10symbolizer4test10comparatorILm100EEEiPKvS4_
// Frame: msort_with_tmp.part.0
// Frame: __GI___qsort_r
// Frame: _ZN5folly10symbolizer4test9inlineFooILm100EEEvRNS0_10FrameArrayIXT_EEE
// Frame: _ZN5folly10symbolizer4test12_GLOBAL__N_19inlineFooILm100EEEvRNS0_10FrameArrayIXT_EEE
// Frame: _ZN5folly10symbolizer4test12_GLOBAL__N_19inlineBarILm100EEEvRNS0_10FrameArrayIXT_EEE
// Frame: _ZN5folly10symbolizer4test39SymbolizerTest_InlineFunctionBasic_Test8TestBodyEv
// Frame: _ZN7testing8internal35HandleExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc
......@@ -203,13 +228,14 @@ TEST(SymbolizerTest, InlineFunctionBasic) {
// Frame: _ZN7testing8TestInfo3RunEv
// Frame: _ZN7testing8TestCase3RunEv
// Frame: _ZN7testing8internal12UnitTestImpl11RunAllTestsEv
// Frame: _ZN7testing8UnitTest3RunEv
// Frame: _Z13RUN_ALL_TESTSv
// clang-format on
verifyStackTrace(
frames,
"void folly::symbolizer::test::(anonymous namespace)::inlineBar<100ul>("
"folly::symbolizer::FrameArray<100ul>&)",
kFooCallByStandaloneBarLineNo,
"folly/experimental/symbolizer/test/SymbolizerTest.cpp");
kFooCallByStandaloneBarLineNo);
FrameArray<100> frames2;
inlineBar<100>(frames2);
......@@ -230,8 +256,7 @@ TEST(SymbolizerTest, InlineClassMemberFunction) {
frames,
"folly::symbolizer::test::ClassWithInlineFunctions::inlineBar("
"folly::symbolizer::FrameArray<100ul>&) const",
kFooCallByClassBarLineNo,
"folly/experimental/symbolizer/test/SymbolizerTest.cpp");
kFooCallByClassBarLineNo);
}
TEST(SymbolizerTest, StaticInlineClassMemberFunction) {
......@@ -245,39 +270,7 @@ TEST(SymbolizerTest, StaticInlineClassMemberFunction) {
frames,
"folly::symbolizer::test::ClassWithInlineFunctions::staticInlineBar("
"folly::symbolizer::FrameArray<100ul>&)",
kFooCallByClassStaticBarLineNo,
"folly/experimental/symbolizer/test/SymbolizerTest.cpp");
}
TEST(SymbolizerTest, InlineClassMemberFunctionInDifferentFile) {
Symbolizer symbolizer(nullptr, LocationInfoMode::FULL_WITH_INLINE, 0);
FrameArray<100> frames;
InlineFunctionsWrapper obj;
obj.inlineBar(frames);
symbolizer.symbolize(frames);
verifyStackTrace(
frames,
"folly::symbolizer::test::InlineFunctionsWrapper::inlineBar("
"folly::symbolizer::FrameArray<100ul>&) const",
kFooCallByClassInDifferentFileBarLineNo,
"folly/experimental/symbolizer/test/SymbolizerTestUtils-inl.h");
}
TEST(SymbolizerTest, StaticInlineClassMemberFunctionInDifferentFile) {
Symbolizer symbolizer(nullptr, LocationInfoMode::FULL_WITH_INLINE, 0);
FrameArray<100> frames;
InlineFunctionsWrapper::staticInlineBar(frames);
symbolizer.symbolize(frames);
verifyStackTrace(
frames,
"folly::symbolizer::test::InlineFunctionsWrapper::staticInlineBar("
"folly::symbolizer::FrameArray<100ul>&)",
kFooCallByClassInDifferentFileStaticBarLineNo,
"folly/experimental/symbolizer/test/SymbolizerTestUtils-inl.h");
kFooCallByClassStaticBarLineNo);
}
// No inline frames should be filled because of no extra frames.
......@@ -306,8 +299,7 @@ TEST(SymbolizerTest, InlineFunctionWithCache) {
frames,
"void folly::symbolizer::test::(anonymous namespace)::inlineBar<100ul>("
"folly::symbolizer::FrameArray<100ul>&)",
kFooCallByStandaloneBarLineNo,
"folly/experimental/symbolizer/test/SymbolizerTest.cpp");
kFooCallByStandaloneBarLineNo);
FrameArray<100> frames2;
inlineBar<100>(frames2);
......
folly/experimental/symbolizer/test/SymbolizerTestUtils-inl.h deleted 100644 → 0
View file @ 3c7f1b3a
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <folly/experimental/symbolizer/test/SymbolizerTestUtils.h>
namespace folly {
namespace symbolizer {
namespace test {
/*
* Put the inline functions definition in a separate -inl.h file to cover test
* cases that define and declare inline functions in different files.
*/
template <size_t kNumFrames>
FOLLY_ALWAYS_INLINE void inlineFoo(FrameArray<kNumFrames>& frames) {
framesToFill = &frames;
std::array<int, 2> a = {1, 2};
// Use qsort, which is in a different library
kQsortCallLineNo = __LINE__ + 1;
qsort(a.data(), 2, sizeof(int), comparator<kNumFrames>);
framesToFill = nullptr;
}
FOLLY_ALWAYS_INLINE void InlineFunctionsWrapper::inlineBar(
FrameArray<100>& frames) const {
kFooCallByClassInDifferentFileBarLineNo = __LINE__ + 1;
inlineFoo(frames);
}
/* static */ FOLLY_ALWAYS_INLINE void InlineFunctionsWrapper::staticInlineBar(
FrameArray<100>& frames) {
kFooCallByClassInDifferentFileStaticBarLineNo = __LINE__ + 1;
inlineFoo(frames);
}
} // namespace test
} // namespace symbolizer
} // namespace folly
folly/experimental/symbolizer/test/SymbolizerTestUtils.h deleted 100644 → 0
View file @ 3c7f1b3a
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <folly/experimental/symbolizer/SymbolizedFrame.h>
namespace folly {
namespace symbolizer {
namespace test {
void* framesToFill{nullptr};
template <size_t kNumFrames = 100>
int comparator(const void* ap, const void* bp) {
getStackTrace(*static_cast<FrameArray<kNumFrames>*>(framesToFill));
int a = *static_cast<const int*>(ap);
int b = *static_cast<const int*>(bp);
return a < b ? -1 : a > b ? 1 : 0;
}
size_t kQsortCallLineNo = 0;
size_t kFooCallByStandaloneBarLineNo = 0;
size_t kFooCallByClassBarLineNo = 0;
size_t kFooCallByClassStaticBarLineNo = 0;
size_t kFooCallByClassInDifferentFileBarLineNo = 0;
size_t kFooCallByClassInDifferentFileStaticBarLineNo = 0;
template <size_t kNumFrames = 100>
FOLLY_ALWAYS_INLINE void inlineFoo(FrameArray<kNumFrames>& frames);
class InlineFunctionsWrapper {
public:
FOLLY_ALWAYS_INLINE void inlineBar(FrameArray<100>& frames) const;
FOLLY_ALWAYS_INLINE static void staticInlineBar(FrameArray<100>& frames);
// Dummy non-inline function.
size_t dummy() const {
return dummy_;
}
size_t dummy_ = 0;
};
} // namespace test
} // namespace symbolizer
} // namespace folly
#include <folly/experimental/symbolizer/test/SymbolizerTestUtils-inl.h>
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